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1st of their kind baby tyrannosaur fossils unearthed – Live Science

Even as babies, tyrannosaurs had a “distinct chin.”

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A fossil of what may be a tyrannosaur embryo shows that the gigantic apex predator started out with a skull the size of a mouse.
That conclusion came after the study authors found a toe claw from a baby tyrannosaur in Alberta, Canada in 2017 which prompted them to analyze  a previously known baby tyrannosaur jawbone, found in Montana in 1983. Because the jawbone was too delicate to be removed from the surrounding rock, it had never been properly studied. But now, an analysis of both fossils is …

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Senior space officials met to “war game” Biden administration space policy – Ars Technica

This is one of the first gatherings of people who might craft a Biden space plan.

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Enlarge/ US Vice President Joe Biden speaks during a public memorial service for former astronaut and US Senator John Glenn at Ohio State University on December 17, 2016.
24 with 21 posters participating, including story author
On Tuesday about a dozen space officials met virtually to simulate how a National Space Council might operate during a Joe Biden administration, should the Democratic Party nominee win the 2020 presidential election.
The American Foreign Policy Council convened what it characterized…

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Meet the diabolical ironclad beetle, which can survive being run over by a car – CBS News

The beetle can withstand a force of about 39,000 times its body weight — the equivalent of a 200-pound man enduring the weight of 7.8 million pounds.

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Scientists are unraveling the mystery of a bug with one of the coolest names in the animal kingdom: the diabolical ironclad beetle. 
Phloeodes diabolicus has one of the toughest natural exoskeletons scientists have ever seen. According to research published Wednesday in the journal Nature, the insect’s armor is so durable, few predators have successfully made a meal out of it — and it can even survive getting run over by a car.
This is a bug that scientists famously need to drill a hole into before…

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Researchers Surprised After They Graft Tomato Plants With Epigenetically-Modified Rootstock – SciTechDaily

Progeny of novel combination is more vigorous and productive than parental plants. Novel grafted plants — consisting of rootstock epigenetically modified to “believe”…

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Progeny of novel combination is more vigorous and productive than parental plants.
Novel grafted plants — consisting of rootstock epigenetically modified to “believe” it has been under stress — joined to an unmodified scion, or above-ground shoot, give rise to progeny that are more vigorous, productive, and resilient than the parental plants.
That is the surprising finding of a team of researchers that conducted large-scale field trials with tomato plants at three widely separated locations over…

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